Midcentury Book, Polar Aviation, First Edition Hardcover Watts Aerospace Library Ohio_eyeglass_case The brooch measures approximately 2

The brooch measures approximately 2 1/2" in diameter

This is the larger version of the glass hat

each block measure approximately 1 5/8" square

his signature

Midcentury Book, Polar Aviation, First Edition Hardcover Watts Aerospace Library Ohio_eyeglass_case The brooch measures approximately 2A hardcover book, Polar Aviation, The Watts Aerospace Library. Edited by Lt. Col. C. Glines; published by Franklin Watts, Inc.; N. Y. 289 pages including index. B&W Photos, a compilation of writings from aviation authors. The book is in good vintage condition; new mylar book cover protecting the worn dust jacket. Nice aviation history book.